[aprssig] Smart Tracker?
Wes Johnston
wes at kd4rdb.com
Fri Mar 24 17:06:09 EST 2006
Something I think folks have missed in all of this.... is that you _don't_ have to setup the smart pathing is for 3 hops max... One _could_ set it for 2 hop max... or one hop max. Many of the examples I've seen here the past couple of days always refer to 3 hops but it could be less.
Wes
----- Original Message -----
From: Robert Bruninga <bruninga at usna.edu>
To: aprssig at lists.tapr.org
Sent: Fri, 24 Mar 2006 13:40:12 -0800
Subject: [aprssig] Smart Tracker?
> >This is the first section of my cross-country journey
> >from Merrifield, VA to Austin, TX....At 55-65 mph,
> >the Pocket Tracker "Smart Beacon" setup has been
> >transmitting about twice a minute.
>
> I donno, for a 2 hop tracker, beaconing every 30
> seconds is consuming at least 20% of channel capacity
> for that one mobile. (360 digipeated packets in 30
> minutes). And at that speed and on the interstate
> everyone can pretty much see where he is headed.
>
> Lets see what a reasonable Proportional Pathing mobile
> with these default settings would get.
>
> 1 min Path*: DIRECT
> 2 min Path: WIDE1-1,WIDE2-1
> 4 min Path: none
> 8 min Path: WIDE1-1,WIDE2-2
>
> He would get 1 minute packets for close by and near-in
> Voice Alert Radar purposes, Typical internet updates
> every 2 minutes and at least every 8 minutes if he goes
> through a 3 hop area. Total packt count to surrounding area
> is the same 6 every 2 minutes, plus an additional
> 8 every 8 minutes for a total of only 122 digipeated
> packets or about 1/3rd the load...
>
> Just a thought.
> Bob
>
>
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